Jacobsen, Ronny
Current rating: 1611
Record: 21-15-1
| Grand Prix Copenhagen 2015 (modern) | starting rating: 1620 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 254 | Nava, Elio (1500) | Lost 0-2 | -201600 |
| 2modern | 412 | Pelzel, Nicolas (1483) | Won 2-1 | +161616 |
| 3modern | 347 | Heidemueller, Susann (1439) | Won 2-1 | +141630 |
| 4modern | 278 | Bogolyubov, Dmitry (1559) | Lost 0-2 | -191611 |
| 5modern | 330 | Norgaard, Lasse (1751) | Won 2-0 | +211632 |
| 6modern | 230 | Hjortshoej, Henrik (1476) | Lost 1-2 | -211611 |
| top | average opponent: 1535record: 3-3 | new rating: 1611 | ||
| Grand Prix Gothenburg 2013 (DGM limited) | starting rating: 1596 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 17 | Baumgart, Steffen (1501) | Lost 1-2 | -201576 |
| 2sealed | 17 | Eriksson, Rickard (1465) | Won 2-0 | +161592 |
| 3sealed | 17 | Hellan, Jan Kristian (1453) | Lost 1-2 | -201572 |
| 4sealed | 17 | Jelecevic, Jan (1608) | Won 2-1 | +181590 |
| 5sealed | 17 | Andersen, Jack Odin (1499) | Won 2-0 | +171607 |
| 6sealed | 17 | Wolder, Claus Bo (1418) | Won 2-0 | +141621 |
| 7sealed | 17 | Rosenbak, Morten (1581) | Won 2-0 | +181639 |
| 8sealed | 17 | Klevtsov, Aleksandr (1603) | Lost 0-2 | -191620 |
| top | average opponent: 1516record: 5-3 | new rating: 1620 | ||
| Grand Prix Malmo 2012 (AVR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 56 | Berg, Hampus (1500) | Won 2-1 | +181518 |
| 2sealed | 72 | Aberg, Johan (1496) | Won 2-1 | +181536 |
| 3sealed | 62 | Kallioniemi, Peter (1512) | Lost 1-2 | -181518 |
| 4sealed | 127 | Bertin, Oscar (1482) | Won 2-0 | +171535 |
| 5sealed | 53 | Brock, Olle (1538) | Won 2-0 | +181553 |
| 6sealed | 62 | Janse, Love (1796) | Won 2-0 | +221575 |
| 7sealed | 35 | Torregiani, Vincent (1582) | Won 2-0 | +181593 |
| 8sealed | 7 | Jurkovic, Robert (2102) | Won 2-0 | +271620 |
| 9sealed | 12 | Lundberg, Jonas (1614) | Won 2-0 | +181638 |
| 10draft | 41 | Mygh, Sebastian (1787) | Lost 0-2 | -151623 |
| 11draft | 8 | Westling, Tomas (1735) | Lost 1-2 | -161607 |
| 12draft | 25 | Ljungberg, Ludwig (1689) | Draw 1-1 | +11608 |
| 13draft | 14 | Bottecchia, Gabriele (1689) | Won 2-1 | +201628 |
| 14draft | 42 | Leitner, Benjamin (1791) | Lost 1-2 | -151613 |
| 15draft | 27 | Ljungberg, Ludwig (1691) | Lost 0-2 | -171596 |
| top | average opponent: 1667record: 9-5-1 | new rating: 1596 | ||
| Grand Prix Gothenburg 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 532 | Skogen, Tor Hakon (1500) | Lost 0-2 | -181482 |
| 2sealed | 663 | Sahl, Bo S (1483) | Won 2-0 | +181500 |
| 3sealed | 584 | Haddemo, Peter (1526) | Lost 0-2 | -181482 |
| 4sealed | 676 | Sektnan, Kim (1486) | Won 2-1 | +191501 |
| 5sealed | 678 | Wilson, Anton (1498) | Won 2-0 | +171518 |
| 6sealed | 620 | Hansen, Andre (1526) | Won 2-1 | +191537 |
| 7sealed | 553 | Petersen Vedgren, Nico (1539) | Lost 0-2 | -181519 |
| 8sealed | 598 | Ayazalp, Ibrahim (1506) | Lost 1-2 | -191500 |
| top | average opponent: 1508record: 4-4 | new rating: 1500 | ||